Outbreak Investigation of Listeria Monocytogenes Initiated (#1379)

United States

Update September 30th, 2026:
The case count has increased from 10 to 11.

Source: FDA


Update September 16th, 2026:
The case count has increased from 9 to 10.

Source: FDA


Update July 29th, 2026:
The case count has increased from 8 to 9 cases. Also, the FDA has initiated sampling.

Source: FDA


July 22nd, 2026:
The FDA is investigating an ongoing outbreak of Listeria monocytogenes that has resulted in 8 reported illnesses. The outbreak is occurring in the United States, but the specific food source has not yet been identified.

As of July 22, 2026, the FDA has confirmed 8 cases linked to this outbreak. The investigation is active, and officials are working to determine which food product is responsible.

The outbreak was detected through an FDA foodborne illness investigation. Efforts are ongoing to identify the source and prevent further illnesses.

Source: www.fda.gov/food/outbreaks-foodborne-illness/investigations-foodborne-illness-outbreaks